2481921583 has 2 divisors, whose sum is σ = 2481921584. Its totient is φ = 2481921582.

The previous prime is 2481921571. The next prime is 2481921661. The reversal of 2481921583 is 3851291842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2481921583 - 2¹⁷ = 2481790511 is a prime.

It is a super-2 number, since 2×2481921583² = 12319869488322451778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2481921083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240960791 + 1240960792.

It is an arithmetic number, because the mean of its divisors is an integer number (1240960792).

Almost surely, 2^2481921583 is an apocalyptic number.

2481921583 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481921583 is an equidigital number, since it uses as much as digits as its factorization.

2481921583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 43.

The square root of 2481921583 is about 49818.8878137600. The cubic root of 2481921583 is about 1353.9293991058.

The spelling of 2481921583 in words is "two billion, four hundred eighty-one million, nine hundred twenty-one thousand, five hundred eighty-three".